1) The document discusses making IT costs transparent to business managers by creating an inventory of all IT assets, determining the total cost of supporting each asset, and providing managers with reports on how much their business unit spends on different IT resources and products.
2) Once managers understand exactly what they are paying for IT, they can make better decisions about managing demand and focusing spending on higher-value investments. They may reduce consumption of certain costly resources.
3) Implementing an IT cost transparency program requires effort but can result in annual IT cost savings of 5-10% through both reduced consumption from the business side and improved cost controls on the IT side.